The document discusses various types of inserts used in print media. It begins by noting that the majority of inserts are single sheet formats or multi-page catalogues. Loose inserts are effective at driving responses like coupon redemption or website visits. Bound inserts become an integral part of the magazine while retaining creative flexibility. The presentation also discusses using special mechanics like scented seals or threaded inserts to enhance engagement. Overall, creative insert formats can provoke calls to action and purchases from readers.